ryan owens is in roswell, new mexico, with the very latest. ryan? >> reporter: aimy good morning to you. there is a reason they call him fearless felix. right now, his much anticipated jump is on hold to the high winds aloft. and if he can't jump this morning, they'll have to wait until later in the week. up until now, it's taken a supersonic jet or maybe the space shuttle to break the sound barrier. but felix baumgartner thinks he can do it with his body. the austrian daredevil will skydive from 23 miles up, the edge of space. he'll free fall at 690 miles an hour. >> we practiced this for so many years. now, we're almost there. this is my biggest dream. >> reporter: a dream that would be most of our nightmares. to get 120,000 feet above earth, the 43-year-old will hitch a ride in this capsule, attached to a balloon that's 55-stories tall. >> we're using a helium balloon to get to the stratosphere. but to get there, we have to transit the death zone. >> reporter: the pressure is so low up there, the air so thin, his lungs would actually boil. the mo